DE3106531A1 - DRIVING AND LEVELING MACHINE FOR CONTINUOUS CASTING PLANTS - Google Patents

Abstract

A roller apron or strand guide arrangement for the withdrawal and/or straightening region of a continuous casting installation for the casting of strands contains two roll tracks subdivided into sections or segments containing at least two rolls for each roll track. The rolls of each track section are mounted upon a respective traverse or yoke, with the one traverse being affixed to a frame and the other traverse is hingedly connected at piston rod heads of stationarily arranged pressurized fluid medium cylinders. The piston rod heads are associated with guides at stands, the guides extending transversely with respect to the roll tracks. The guides are arranged between the roll sections at regions of parting lines between the sections and each roll section at each side of the path of travel of the cast strand possesses two pressurized fluid medium cylinders whose piston rod heads are guided at one side along a respective one of the guides.

Description

PATENTANWÄLTE .F-W. HEMMERICH -GEaD MILLER · D. GROSSE · F. POLLMEIER

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Feb. 17, 1981 - # - 8.2769 / the-je

SMS Schloemann-Siemag Aktiengesellschaft, 4000 Düsseldorf 1

Driving and straightening machine for continuous casting plants

The invention relates to a driving and straightening machine for continuous casting plants, with an upper one assigned to each continuous web and lower rollers, which are stored in sections on upper and lower crossbars, the upper crossbars Hinge pins on the piston rod heads of the pressure cylinder fastened to the foundation are pivotably mounted and along a stand guide are adjustable in their distance to the lower crossbars.

In a known straightening machine of the above type are Two upper rollers each supported on an upper cross-member, on which a pivot pin is attached on each side is. On each pivot pin is a piston rod head of a pressure medium cylinder attached to the foundation frame put on. Each piston rod head is guided between two stand cheeks. In this way the upper traverse can adjusted and / or pivoted.

With this type of construction, the position of the rollers is not defined, so that it is caused by knocking around when conveying out remaining ends the upper traverse can be damaged. The design requires a certain, not to be undercut Roller spacing, since this arrangement of the pivot pins on the one hand takes up space between the roller bearings takes, and on the other hand a minimum distance to each other

HAITNIANWALIL. j-.W. KtMMLHICH ■ GbKU MUL'EH ■ U. ÜHOSSt · F. POLLMEIEH

February 17, 1981 - ψ - ίφ. _ 8. 2769 / the-je

following arranged upper traverses required for their pivoting movement.

The invention is intended to address the disadvantages of the known devices be avoided. Your goal is a cost-effective and maintenance-friendly driving and straightening machine with a smaller minimum roller spacing where the upper Traverses can be raised and pivoted freely with a low overall height and with an overload of the Roles and the strand surface is to be excluded.

According to the invention, this is achieved in that four pressure medium cylinders are assigned to each upper cross member, each piston rod head is guided on one side on a stand and the pivot pins with their axes above the common Axial plane of the roller bearings and below the levels determined by the uppermost points of the bearing housing the upper traverse are arranged.

0 This creates a driving and straightening machine with small roller spacing and good accessibility for setting and Maintenance work created. A pivoting movement of the upper traverse caused by the cast strand causes it to lift off of a piston rod head from its guide surface on the stand cheek so that jamming is avoided. This type of leadership is particularly insensitive to Pollution.

With regard to low roller load, dense roller arrangement and good accessibility, the invention is advantageously developed that at each upper and lower Traverse three rollers are mounted. This makes it possible to drive the middle rollers,

According to a further feature of the invention, distance

PATENTANWÄLTE .r.W. HEMMERICH GERD MÜLLER D. GROSSE F. POLLMEIER

February 17, 1981 -YO- 8.2769 / the-je

pieces to limit the adjustment of the adjustment movement the traverse to the respective nominal strand path is arranged on consoles that are attached to the underneath the outer traverse plate Stand cheeks are attached. In this way, the spacers are particularly easy to access for replacement.

To achieve simple lateral guidance, the traverses can be provided with sliding blocks on both sides, which are attached to the uprights are assigned guide strips.

The invention further proposes that the middle rollers are guided on the upper cross-bars and by pressure medium cylinders are individually adjustable. The middle rollers of the upper and lower traverses can be used to convey a starting line and cast strand be provided with a drive.

The drawing shows an embodiment of the invention shown. Show it

0 Fig. 1 shows a driving and straightening machine in two cross-sectional planes and

Fig. 2 shows a section of the driving and straightening machine in side view and in longitudinal section.

In the exemplary embodiment are on a foundation frame 1 Stand 2 anchored, which are connected on their upper side by longitudinal beams 3. On the foundation frame 1 are between the uprights 2 lower cross members 4 attached, on each of which two outer rollers 5 and a middle roller 6 with their bearings 7 are arranged. Two outer rollers 9 with their bearings 10 are stationary on an upper cross member 8 and a middle roller 11 with its bearings 13 guided on guide pins 12 so as to be adjustable. To the

PATENT LAWYERS F.W. Hr-IMMFRICH · GERD- "JtJLIIIER · D. GROSSE · F. POLLMEIER

February 17, 1981 - ^ --fo- 8.2769 / the-je

Adjustment of the bearings 13 are arranged on each upper traverse hydraulic cylinders 14 when they are acted upon the middle roller 11 is pressed onto a starter strand of lesser thickness. The lower and upper middle Rollers 6 and 11 have coupling flanges 15 for no provided drive spindles shown.

To adjust the upper cross member 8 there are four on the foundation frame 1 anchored hydraulic cylinder 16 is provided, the piston rod heads 17 between two webs 18, 19 of the upper traverse 8 are held by means of hinge pins 20. Each piston rod head 17 is laterally provided with a sliding surface 21 provided, which 2 guide surfaces 22 are assigned to the uprights. The hinge pins 2 0 are with their Axes above the common axis plane 23 of the roller bearings 10 and below the through the top points of the Bearing housing certain level 23 'arranged on the upper cross member. This prevents adjacent upper Crossbars 8 collide with their lower or upper edges in the case of larger pivoting movements. During the swivel movement of the upper crossbars 8 lift the sliding surfaces 21 of two piston rod heads 17 arranged next to one another their guide surfaces 22 from.

To limit the adjustment movement of the upper cross member 8 towards the strand 2 4, replaceable spacers 25 are on Brackets 26 are arranged, which are fastened to the uprights 2. The spacers 25 thus form the outer webs 18 of the upper traverse 8 an adjustable stop.

On each upper traverse 8 sliding blocks 27 are arranged laterally, which are assigned to the uprights 2 guide surfaces 2 8.

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Claims (6)

PATENT LAWYERS RW. HtMMPRICH -.GERhMULtER ■ D. GROSSE · F. POLLMEIER February 17th. 1981 - lT- 8.2769 / the-je SMS Sehloemann-Siemag Aktiengesellschaft, 4000 Düsseldorf 1 patent claims 1. Driving and straightening machine for continuous casting plants, with each Upper and lower rollers assigned to the strand path, which are stored in sections on upper and lower cross members are, the upper traverses via hinge pins on piston rod heads of pressure cylinders attached to the foundation pivotally mounted and along a stand guide at their distance from the lower crossbars are adjustable characterized, that four pressure cylinders (16) are assigned to each upper cross member, each piston rod head (17) on one side is guided on a stand (2) and the hinge pins (2 0) with their axes above the common axis plane (2 3) of the roller bearing (10) and below the level (2 3 ^ an the upper traverse (8) are arranged. 2. Driving and straightening machines according to claim 1, 0 characterized in that three rollers (5, 6 and 9, 11) are mounted on each lower and upper cross member (2, 8) are. 3. Driving and straightening machine according to claims 1 and 2, characterized in that spacers (25) for limiting the adjustment of the upper traverse (8) to the target strand path are arranged on brackets (2 6), which are attached to the uprights (2) below an outer cross-member plate (18). PATENT LAWYERS F.W. HJEMMFRIgH -SERb-AAuIlLER ■ D. GROSSE · F. POLLMEIER Feb. 17, 1981 - / £ ~ - "8.2769 / the-je 4. Driving and straightening machine according to claims 1 to 3, characterized in that both sides of the upper Traverses (8) sliding blocks (27) are arranged, which are assigned to the uprights (2) guide surfaces (28) are. 5. Driving and straightening machine according to claims 1 to 4, characterized in that the central rollers (11) on the upper traverse (8) movably guided transversely to the strand (24) and adjustable by means of pressure cylinder (14) are. 6. Driving and straightening machine according to claims 1 to 5, characterized in that the central rollers (6, 11) the upper and lower cross members (4, 8) are driven.